Regulation 23 Precautions against supply failure
(1)
The supplier’s works shall be so arranged, and provided where necessary with fusible cut-outs or automatic switching devices so located as to restrict, so far as is reasonably practicable, the number of consumers affected by any fault in the supplier’s works.
(2)
The supplier shall at all times take all reasonably practicable steps to avoid interruptions of supply resulting from his own acts.